Home / 12,375,103.30-17,080,781.79-8,456,445.88

Finding the Fourth Proportional to 12,375,103.30, 17,080,781.79 and 8,456,445.88

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Solution

The fourth proportional to 12,375,103.30, 17,080,781.79 and 8,456,445.88 is: 11,672,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375,103.30 : 17,080,781.79 = 8,456,445.88 : x
  2. Step 2: Convert to fraction form
    12,375,103.30/17,080,781.79 = 8,456,445.88/x
  3. Step 3: Cross multiply
    12,375,103.30x = 17,080,781.79 × 8,456,445.88
  4. Step 4: Simplify right side
    12,375,103.30x = 144,442,706,795,224.53
  5. Step 5: Solve for x
    x = 144,442,706,795,224.53/12,375,103.30
  6. Step 6: Final answer
    x = 11,672,040.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.